| 摘要 |
Improved techniques for charging batteries within portable computing devices are disclosed. The improved techniques operate to charge a battery at dynamically determined power levels. The power levels for charging the battery are dynamically determined by monitoring the power consumption of the portable computing device. When subsystems of the portable computing device are determining to be consuming less power than has been allocated thereto, higher levels of power from a power source are made available for charging the battery. As a result, the battery is able to be charged at a rate that is significantly faster than previously performed. Also, by dynamically monitoring the power consumption of the portable computing device, the improved techniques also ensure that the portable computing device will not be starved for power during its operation even as its subsystem's switch between normal (active) modes and low power modes.
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